Maybe objects at low angles are perceived with another computational unit, since they are part of the scenary and we need to extrapolate, and the sky is a big w

Maybe objects at low angles are perceived with another computational unit, since they are part of the scenary and we need to extrapolate, and the sky is a big whatever. But really maybe there's no simple explanation other than "that's how the brain works", and we assume there has to be one.